CN201083927Y - Lcd - Google Patents
Lcd Download PDFInfo
- Publication number
- CN201083927Y CN201083927Y CNU2007201219986U CN200720121998U CN201083927Y CN 201083927 Y CN201083927 Y CN 201083927Y CN U2007201219986 U CNU2007201219986 U CN U2007201219986U CN 200720121998 U CN200720121998 U CN 200720121998U CN 201083927 Y CN201083927 Y CN 201083927Y
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- light
- guide plate
- substrate
- emitting component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
- G02F2201/503—Arrangements improving the resistance to shock
Abstract
The utility model relates to a liquid crystal display device, which comprises a liquid crystal panel, a light guide plate and a luminous element; wherein, the liquid crystal panel comprises a first substrate, a second substrate oppositely assembled with the first substrate and a liquid crystal layer clamped between the first and the second substrates; the light guide plate is arranged close to the second substrate and comprises a light-inlet surface; the luminous element is arranged at one side deviating from the liquid crystal layer on the second substrate and is arranged close to the light-inlet surface.
Description
Technical field
The utility model relates to a kind of liquid crystal indicator.
Background technology
Because liquid crystal panel is a kind of non-self light-emitting display device, for reaching the demonstration purpose, needing provides a planar light source device to realize its Presentation Function to liquid crystal panel, and as module backlight, its function is to provide the planar light that brightness is abundant and be evenly distributed to liquid crystal panel.
Seeing also Fig. 1, is a kind of perspective exploded view of prior art liquid crystal indicator.This liquid crystal indicator 3 comprises a flexible circuit board (Flexible PrintedCircuit Board, FPCB) 310, one liquid crystal panel 320, a plurality of light-emitting component 330, a light guide plate 340, a framework 350, a reflector plate 360 and a metal backing 370.
This light guide plate 340 comprises an exiting surface 341, a bottom surface 342 and an incidence surface 343, and this bottom surface 342 is relative with this exiting surface 341, and this incidence surface 343 intersects vertically with this exiting surface 341 and bottom surface 342.
This liquid crystal panel 320 comprises one first substrate 322 and second substrate 324 that is oppositely arranged with this first substrate 322, and this second substrate 324 comprises an extension 326, and this extension 326 is used to be provided with drive integrated circult and this flexible circuit board 310 of crimping.
One end of this flexible circuit board 310 is crimped on this extension 326, electrically connects with this liquid crystal panel 320, and this flexible circuit board 310 comprises a light source setting area.This light-emitting component 330 is arranged on the light source setting area of this flexible circuit board 310.350 pairs of this frameworks should light guide plate 340 incidence surfaces 343 1 sides have a plurality of breach 352.
See also Fig. 2 and Fig. 3, Fig. 2 is the schematic perspective view after these liquid crystal indicator 3 assemblings, and Fig. 3 is the sectional view of Fig. 2 along the III-III direction.During assembling, the bottom surface 342 of these reflector plate 360 contiguous these light guide plate 340 is provided with, and is housed in the lump in this framework 350 with this light guide plate 340; Again these liquid crystal panel 320 contiguous these light guide plate 340 are provided with, and with flexible circuit board 310 reflexeds, make the light source setting area of this flexible circuit board 310 be positioned at the rear side of this framework 350, corresponding with the breach 352 of this framework 350, at this moment, this light-emitting component 330 is positioned at the breach 352 of this framework 350, and the incidence surface 343 of contiguous this light guide plate 340; At last, said modules is arranged in this metal backing 370, this flexible circuit board 370 is interposed between this framework 350 and this metal backing 370, also be interposed between this light-emitting component 330 and this metal backing 370.
This framework 350 is generally the glue frame, this light-emitting component 330 be generally light emitting diode (Light Emitting Diode, LED).
Yet; in this liquid crystal indicator 3; light-emitting component 330 is arranged on the light source setting area of flexible circuit board 310; this flexible circuit board 310 is assembled to light-emitting component 330 in the breach 352 of framework 350 by reflexed; and the incidence surface 343 of contiguous light guide plate 340; because flexible circuit board 310 bending after regular meeting produce warpage, relevant issues such as move, thereby cause light-emitting component 330 shift in position, influence the display effect of liquid crystal indicator 3.
The utility model content
In order to solve the not good problem of prior art liquid crystal indicator display effect, be necessary the liquid crystal indicator that provides a kind of display effect preferable.
A kind of liquid crystal indicator, it comprises a liquid crystal panel, a light guide plate and a light-emitting component.This liquid crystal panel comprises one first substrate, and second substrate that is oppositely arranged of this first substrate and be interposed in liquid crystal layer between first, second substrate, contiguous this second substrate setting of this light guide plate, it comprises an incidence surface, this light-emitting component is arranged on this liquid crystal layer one side that deviates from this second substrate, and contiguous this incidence surface is provided with.
A kind of liquid crystal indicator, it comprises a liquid crystal panel, a light guide plate and a light-emitting component.This liquid crystal panel comprises one first substrate, and second substrate that is oppositely arranged of this first substrate and be interposed in liquid crystal layer between first, second substrate, contiguous this second substrate setting of this light guide plate, it comprises an incidence surface, this light-emitting component is arranged on this second substrate, and the light that this light-emitting component sent imports second substrate via light guide plate.
Compared to prior art, the light-emitting component of liquid crystal indicator of the present utility model is arranged on the liquid crystal panel, need not the reflexed flexible circuit board, can not occur because the shift in position of the light-emitting component that warpage caused of flexible circuit board yet, thereby increased the stability of luminous element position, improve the optical property of liquid crystal indicator, improve the display quality of liquid crystal indicator.
Description of drawings
Fig. 1 is a kind of perspective exploded view of prior art liquid crystal indicator.
Fig. 2 is the schematic perspective view after the liquid crystal indicator assembling shown in Figure 1.
Fig. 3 is the partial cross section figure of Fig. 2 along the III-III direction.
Fig. 4 is the perspective exploded view of this creation liquid crystal indicator.
Fig. 5 is the schematic perspective view after the liquid crystal indicator assembling shown in Figure 4.
Fig. 6 is the sectional view of Fig. 5 along the VI-VI direction.
Embodiment
Seeing also Fig. 4, is the perspective exploded view of the utility model liquid crystal indicator one better embodiment.This liquid crystal indicator 4 comprises a flexible circuit board 410, a liquid crystal panel 420, a plurality of light-emitting component 430, a light guide plate 440, an optical diaphragm group 480, a framework 450, a reflector plate 460 and a metal backing 470.
This light guide plate 440 comprises an exiting surface 441, a bottom surface 442 and an incidence surface 443, and this bottom surface 442 is relative with this exiting surface 441, and this incidence surface 443 intersects vertically with this exiting surface 441 and bottom surface 442.These optical diaphragm group 480 contiguous these light guide plate 440 exiting surfaces 441 are provided with.
See also Fig. 5 and Fig. 6, Fig. 5 is the schematic perspective view after these liquid crystal indicator 4 assemblings, and Fig. 6 is the sectional view of Fig. 5 along the VI-VI direction.This liquid crystal panel 420 comprises one first substrate 422, and second substrate 424 that is oppositely arranged of this first substrate 422 and be interposed in liquid crystal layer (figure does not show) between two substrates 422,424.This second substrate 424 comprises an extension 426, and these extension 426 contiguous liquid crystal layer one sides are used to be provided with drive integrated circult and crimping flexible circuit board 410.This extension 426 deviates from liquid crystal layer one side and is provided with the metal caul 428 (MetalPad) that connects light-emitting component, this metal caul 428 has certain altitude, on the metal caul 428 of liquid crystal panel 420, so can light by the circuit on flexible circuit board 410 and the liquid crystal panel 420 by this light-emitting component 430 by anisotropy conducting film (ACF) nation fixed (Bonding) for this light-emitting component 430.
450 pairs of this frameworks should light guide plate 440 incidence surfaces 443 1 sides have a plurality of breach 452.
When assembling this liquid crystal indicator 4, the bottom surface 442 of these reflector plate 460 contiguous these light guide plate 440 is provided with, the exiting surface 441 of optical diaphragm group 480 contiguous these light guide plate 440 is provided with, then, optical diaphragm group 480, light guide plate 440 and reflector plate 460 is housed in this framework 450 in the lump; Again these liquid crystal panel 420 contiguous these optical diaphragm group 480 are provided with, at this moment, this light guide plate 440 extends to the certain distance of extension 426 belows of this liquid crystal panel 420 and sentences the generation that reduces fluorescence worm phenomenon, this is arranged on the breach 452 that light-emitting component 430 on the liquid crystal panel 420 is positioned at this framework 450, and the incidence surface 443 of contiguous this light guide plate 440, because this metal caul 428 has certain altitude, the height of this height and the optical diaphragm group 480 between liquid crystal panel 420 and light guide plate 440 is complementary, thereby makes this light-emitting component 430 relative with the incidence surface 443 of this light guide plate 440; At last, said modules is arranged in this metal backing 470.
This framework 450 is generally the glue frame, and this light-emitting component 430 is generally light emitting diode.
Compared with prior art, the light-emitting component 430 of this liquid crystal indicator 4 is that direct nation fixes on the liquid crystal panel 420, need not reflexed flexible circuit board 410, can not occur because the shift in position of the light-emitting component that warpage caused 430 of flexible circuit board 410 yet, thereby increased structural stability, improve the optical characteristics of liquid crystal indicator 4, and then improve the display quality of liquid crystal indicator 4.
And, light guide plate 440 can be offset by the height of metal caul 428 because of optical diaphragm group 480 existing distances with liquid crystal panel 420, thereby make light-emitting component 430 and light guide plate 440 incidence surfaces 443 over against, further improve the display quality of liquid crystal indicator 4.
Yet, it is described that the utility model is not limited to above-mentioned embodiment, for example: the distance that this light guide plate 440 extends to extension 426 belows of liquid crystal panel 420 can design according to the number change of light-emitting component 430, be that light-emitting component 430 numbers are many more, light guide plate 440 is required, and to extend to the distance of extension 426 belows more little.
Claims (10)
1. liquid crystal indicator, it comprises a liquid crystal panel, a light guide plate and a light-emitting component, this liquid crystal panel comprises one first substrate, one second substrate and is interposed in liquid crystal layer between first, second substrate, contiguous this second substrate setting of this light guide plate, this light guide plate comprises an incidence surface, it is characterized in that: this light-emitting component is arranged on this liquid crystal layer one side that deviates from this second substrate, and contiguous this incidence surface.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this second substrate comprises an extension, and this light-emitting component is arranged on this extension.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: this extension is provided with the metal caul that connects light-emitting component, and this light-emitting component fixes on the metal caul of liquid crystal panel by anisotropy conducting film nation.
4. liquid crystal indicator as claimed in claim 3, it is characterized in that: this liquid crystal indicator further comprises the optical diaphragm group that is arranged between light guide plate and the liquid crystal panel, this metal caul has certain altitude, and this height is complementary with the thickness of this optical diaphragm group.
5. liquid crystal indicator as claimed in claim 2 is characterized in that: this light guide plate extends to the extension below of liquid crystal panel.This light-emitting component comprises light emitting diode, this light guide plate must extend to the extension below of liquid crystal panel distance reduce with the increase of light-emitting component number.
6. liquid crystal indicator, it comprises a liquid crystal panel, a light guide plate and a light-emitting component, this liquid crystal panel comprises one first substrate, one second substrate and is interposed in liquid crystal layer between first, second substrate, contiguous this second substrate setting of this light guide plate, this light guide plate comprises an incidence surface, it is characterized in that: this light-emitting component is arranged on this second substrate, and the light that this light emitting diode sent imports second substrate via light guide plate.
7. liquid crystal indicator as claimed in claim 6 is characterized in that: this second substrate comprises an extension, and this light-emitting component is arranged on this extension.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: this extension is provided with the metal caul that connects light-emitting component, and this light-emitting component fixes on the metal caul of liquid crystal panel by anisotropy conducting film nation.
9. liquid crystal indicator as claimed in claim 8, it is characterized in that: this liquid crystal indicator further comprises the optical diaphragm group that is arranged between light guide plate and the liquid crystal panel, this metal caul has certain altitude, and this height is complementary with the thickness of this optical diaphragm group.
10. liquid crystal indicator as claimed in claim 7 is characterized in that: this light guide plate extends to the extension below of liquid crystal panel.This light-emitting component comprises light emitting diode, this light guide plate must extend to the extension below of liquid crystal panel distance reduce with the increase of light-emitting component number.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219986U CN201083927Y (en) | 2007-08-08 | 2007-08-08 | Lcd |
| US12/221,995 US8363177B2 (en) | 2007-08-08 | 2008-08-08 | Liquid crystal display with point illuminator bonded to liquid crystal panel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219986U CN201083927Y (en) | 2007-08-08 | 2007-08-08 | Lcd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083927Y true CN201083927Y (en) | 2008-07-09 |
Family
ID=39626397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201219986U Expired - Lifetime CN201083927Y (en) | 2007-08-08 | 2007-08-08 | Lcd |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8363177B2 (en) |
| CN (1) | CN201083927Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950098A (en) * | 2009-07-09 | 2011-01-19 | 乐金显示有限公司 | Liquid crystal display |
| CN101666463B (en) * | 2008-09-05 | 2013-06-12 | 群创光电股份有限公司 | Backlight module and liquid crystal display using same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535914A (en) * | 2018-04-19 | 2018-09-14 | 惠州市华星光电技术有限公司 | Liquid crystal display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI222543B (en) * | 2003-09-26 | 2004-10-21 | Au Optronics Corp | Liquid crystal display module (LCM) |
| TWI316144B (en) * | 2005-11-04 | 2009-10-21 | Innolux Display Corp | Liquid crystal display |
-
2007
- 2007-08-08 CN CNU2007201219986U patent/CN201083927Y/en not_active Expired - Lifetime
-
2008
- 2008-08-08 US US12/221,995 patent/US8363177B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666463B (en) * | 2008-09-05 | 2013-06-12 | 群创光电股份有限公司 | Backlight module and liquid crystal display using same |
| CN101950098A (en) * | 2009-07-09 | 2011-01-19 | 乐金显示有限公司 | Liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| US8363177B2 (en) | 2013-01-29 |
| US20090040429A1 (en) | 2009-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |
|
| CX01 | Expiry of patent term |